Description

2-Pentyn-1-ol is a versatile terminal alkyne alcohol, a valuable building block in organic synthesis. Its unique structure, featuring both a hydroxyl group and a carbon-carbon triple bond, makes it a critical intermediate for constructing more complex molecules. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the production of active pharmaceutical ingredients (APIs), particularly for molecules requiring alkyne functionality for click chemistry or further derivatization.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators where the alkyne moiety is incorporated into the final product structure.
• Ligand and Catalyst Preparation: Acts as a precursor for synthesizing specialized ligands and organometallic catalysts used in asymmetric synthesis and cross-coupling reactions.
• Polymer & Material Science: Employed in the creation of specialty polymers, dendrimers, and advanced materials where the alkyne group enables precise polymerization or post-polymerization modification via Huisgen cycloaddition.
• Organic Synthesis Building Block: Utilized in Sonogashira coupling, nucleophilic addition, and other carbon-carbon bond-forming reactions to introduce pentynyl alcohol segments into target molecules.
• Flavor & Fragrance Industry: Potential intermediate for the synthesis of specific aroma chemicals and flavor compounds, subject to appropriate regulatory compliance.

Basic Information

Product Name	2-Pentyn-1-ol
CAS No.	6261-22-9
Molecular Formula	C5H8O
Molecular Weight	84.12 g/mol
Synonyms	1-Hydroxy-2-pentyne; 2-Pentyn-1-ol; Pent-2-yn-1-ol; 2-Pentyne-1-ol; 1-Pentyn-3-ol (tautomer); Propyl ethynyl carbinol
EINECS	228-416-8

Quality Control

Our 2-Pentyn-1-ol is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. We employ advanced analytical techniques including GC, HPLC, and NMR to verify identity and quantify impurities. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and specific test results is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials such as strong oxidizing agents and acids. For long-term storage, maintaining the product under an inert atmosphere (e.g., nitrogen or argon) is recommended to prevent potential oxidation. Recommended storage temperature: 2-8°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.